33968890 has 32 divisors (see below), whose sum is σ = 65116224. Its totient is φ = 12714240.

The previous prime is 33968881. The next prime is 33968911. The reversal of 33968890 is 9886933.

It is a self number, because there is not a number n which added to its sum of digits gives 33968890.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35397 + ... + 36343.

It is an arithmetic number, because the mean of its divisors is an integer number (2034882).

Almost surely, 2^33968890 is an apocalyptic number.

33968890 is a deficient number, since it is larger than the sum of its proper divisors (31147334).

33968890 is a wasteful number, since it uses less digits than its factorization.

33968890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 33968890 is about 5828.2836238467. The cubic root of 33968890 is about 323.8623418160.

The spelling of 33968890 in words is "thirty-three million, nine hundred sixty-eight thousand, eight hundred ninety".